BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 208 51.5%
2 United States 75 18.6%
3 Germany 57 14.1%
4 Hong Kong 18 4.5%
5 Japan 9 2.2%
6 Singapore 7 1.7%
7 Spain 4 1%
8 Taiwan 4 1%
9 United Kingdom 4 1%
10 Canada 4 1%
11 Australia 3 0.7%
12 Brazil 3 0.7%
13 New Zealand 3 0.7%
14 Romania 2 0.5%
15 Italy 2 0.5%
16 India 1 0.2%